The weekly litigation news digest is live. Subscribe now
The patent EP2580576 was granted to Industrial Technology Research Institute on Apr 5, 2017. The application was filed on Jun 10, 2011 under application number EP11791952A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| PACIFIC BIOSCIENCES OF CALIFORNIA | Jan 5, 2018 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN101726462 |
| DESCRIPTION | CN1708680 |
| DESCRIPTION | US2002110839 |
| DESCRIPTION | US2007141598 |
| DESCRIPTION | US2008081769 |
| DESCRIPTION | US6255083 |
| DESCRIPTION | US6946249 |
| DESCRIPTION | US7170050 |
| DESCRIPTION | US7361466 |
| DESCRIPTION | US7486865 |
| DESCRIPTION | WO0184197 |
| DESCRIPTION | WO03064997 |
| INTERNATIONAL-SEARCH-REPORT | CN101726462 |
| INTERNATIONAL-SEARCH-REPORT | CN1708680 |
| INTERNATIONAL-SEARCH-REPORT | US2002110839 |
| INTERNATIONAL-SEARCH-REPORT | US6255083 |
| INTERNATIONAL-SEARCH-REPORT | WO03064997 |
| OPPOSITION | CN101726462 |
| OPPOSITION | CN1708680 |
| OPPOSITION | US2002110839 |
| OPPOSITION | US6255083 |
| OPPOSITION | WO0184197 |
| OPPOSITION | WO03064997 |
| SEARCH | WO0184197 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents
Dec 9, 2025
Oct 9, 2025
Oct 7, 2025
Oct 3, 2025
Oct 3, 2025
Oct 3, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Sep 4, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Feb 7, 2023
Feb 2, 2023
Feb 2, 2023
Feb 2, 2023
Feb 2, 2023
Feb 2, 2023
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Jun 10, 2022
Advice of delivery
Appeal
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 12, 2022
Apr 29, 2022
Advice of delivery
Appeal
Apr 25, 2022
Apr 25, 2022
Apr 21, 2022
(Electronic) Receipt
Appeal
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 20, 2022
Apr 20, 2022
Apr 14, 2022
(Electronic) Receipt
Appeal
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 11, 2022
(Electronic) Receipt
Appeal
Apr 11, 2022
Apr 11, 2022
Dec 3, 2020
Advice of delivery
Appeal
Dec 1, 2020
Advice of delivery
Appeal
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Apr 14, 2020
Apr 14, 2020
Feb 17, 2020
Feb 10, 2020
(Electronic) Receipt
Appeal
Feb 10, 2020
Feb 10, 2020
Reply to appeal
Appeal
Feb 6, 2020
Jan 31, 2020
(Electronic) Receipt
Appeal
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Claims
Appeal
Jan 31, 2020
Jan 31, 2020
Reply to appeal
Appeal
Jan 13, 2020
Oct 4, 2019
Oct 4, 2019
Sep 30, 2019
(Electronic) Receipt
Appeal
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Claims
Appeal
Sep 30, 2019
Claims
Appeal
Sep 30, 2019
Claims
Appeal
Sep 30, 2019
Claims
Appeal
Sep 30, 2019
Claims
Appeal
Sep 30, 2019
Sep 30, 2019
Sep 27, 2019
(Electronic) Receipt
Appeal
Sep 27, 2019
Sep 27, 2019
Sep 27, 2019
Jul 23, 2019
Advice of delivery
Search/Exam
Jul 23, 2019
Jul 23, 2019
Jul 17, 2019
(Electronic) Receipt
Appeal
Jul 17, 2019
Jul 17, 2019
Notice of appeal
Appeal
Jun 21, 2019
Jun 21, 2019
Jun 17, 2019
Processing of an appeal
Appeal
Jun 13, 2019
(Electronic) Receipt
Appeal
Jun 13, 2019
Jun 13, 2019
Notice of appeal
Appeal
May 28, 2019
May 23, 2019
May 23, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
Means of redress
OPPO
May 20, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
Apr 5, 2019
Mar 29, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Feb 14, 2019
Feb 11, 2019
Feb 11, 2019
Feb 11, 2019
Feb 5, 2019
Feb 5, 2019
Feb 5, 2019
Feb 5, 2019
Feb 5, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Dec 14, 2018
Dec 13, 2018
Oct 5, 2018
Aug 31, 2018
Aug 30, 2018
Aug 20, 2018
Aug 20, 2018
Aug 20, 2018
Aug 20, 2018
Aug 20, 2018
Aug 20, 2018
Aug 20, 2018
Jun 15, 2018
Jun 5, 2018
Jun 5, 2018
Jun 5, 2018
Jun 5, 2018
Jun 5, 2018
Jun 5, 2018
Jun 5, 2018
Jun 5, 2018
Jun 5, 2018
Jan 31, 2018
Jan 31, 2018
Jan 23, 2018
Jan 5, 2018
Jan 5, 2018
Jan 5, 2018
Jan 5, 2018
Jan 5, 2018
Jan 5, 2018
Jan 5, 2018
Jan 5, 2018
Jan 5, 2018
Jan 5, 2018
Apr 5, 2017
Mar 9, 2017
Decision to grant a European patent
Search/Exam
Feb 22, 2017
(Electronic) Receipt
Search/Exam
Feb 22, 2017
French translation of claims
Search/Exam
Feb 22, 2017
German translation of the claims
Search/Exam
Feb 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 9, 2016
Nov 9, 2016
Nov 9, 2016
Intention to grant (signatures)
Search/Exam
Nov 9, 2016
Text intended for grant (clean copy)
Search/Exam
Nov 9, 2016
Sep 15, 2016
(Electronic) Receipt
Search/Exam
Sep 15, 2016
Amended description with annotations
Search/Exam
Sep 15, 2016
Description
Search/Exam
Sep 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 15, 2016
Jul 8, 2016
Annex to the communication
Search/Exam
Jul 8, 2016
Communication from the Examining Division
Search/Exam
Jul 4, 2016
Examination started
Search/Exam
Dec 15, 2015
(Electronic) Receipt
Search/Exam
Dec 15, 2015
Dec 15, 2015
Amended claims with annotations
Search/Exam
Dec 15, 2015
Amendments received before examination
Search/Exam
Dec 15, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2015
Dec 15, 2015
Jul 31, 2015
Jul 15, 2015
Jul 14, 2015
Jul 14, 2015
European search opinion
Search/Exam
Jul 14, 2015
Supplementary European search report
Search/Exam
Jul 13, 2015
Submission concerning representation
Search/Exam
Jul 1, 2015
Search started
Search/Exam
May 13, 2015
Refund of fees
Search/Exam
Dec 11, 2014
Submission concerning representation
Search/Exam
May 13, 2013
May 13, 2013
Amended claims with annotations
Search/Exam
May 13, 2013
Amendments received before examination
Search/Exam
May 13, 2013
Payment of fees and costs
Search/Exam
Mar 20, 2013
Mar 18, 2013
Submission concerning representation
Search/Exam
Jan 23, 2013
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 16, 2013
Communication to designated inventor
Search/Exam
Jan 3, 2013
May 21, 2012
Information regarding early processing
Search/Exam
Apr 25, 2012
(Electronic) Receipt
Search/Exam
Apr 25, 2012
Request for entry into the European phase
Search/Exam
Jan 5, 2012
Jan 5, 2012
Dec 15, 2011
Copy of the international search report
Search/Exam
Dec 15, 2011
Published international application - A1
Search/Exam